14 resources under "Circuit Testing"...

FT-OBD Pinout  

Compustar tech team    06-21-2017

FT-13013 Resistor Color Codes   

Compustar tech team    04-05-2016

FT-13007 Short to Ground   

Compustar tech team   

FT-13003 Open After the Load   

Compustar tech team   

FT-13001 Normal Circuit Operation

Compustar tech team    03-06-2016